The “rooty toot toot” is simply the noise the horns make, while “rummy tum tum” is the drums.
The fall of acorns, leaping out of their matted green cups as they strike the rooty earth.
I'm havin' a bit of rooty (food) 'fore goin' to kip (sleep).
The only two who really ran some risk of danger were Toppy and rooty.
And rooty ran as hard as ever he could, without ever taking a minute to shut the cellar door.
He retired down the rooty slope and disappeared in the direction of the inn, where he informed Johns of the circumstances.
First the sod and rooty stuff, and then down around the gravelly mass below, they plied their digging tools.
Every little while along the rooty, hummocky banks of the creek I would pass a muskrat's slide.
The force of the blow, and the rude reception of the rooty antlers, seemed to take all the fight out of her.
Even as the little party watched, the great shovel plunged down, straight down, burying its great teeth in the rooty ground.
Sexually aroused; horny
[1960s+; fr root, ''penis'']